SEMAINE D'ÉTUDE SUR LE ROLE DE L’ANALYSE ECONOMETRIQUE Etc. 867 
provides a good representation of the function which would be 
erived empirically, at least as a first approximation. 
Were it to appear that an exponential expression cannot 
represent the function adequately, the assumption could be 
made that the function e"*°¢(6), where p is an appropriate 
constant, could be developed as a Taylor series and quite well 
represented by its first terms. This is a relatively weak hypo- 
-hesis, and one which does not appear to be inacceptable. The 
general properties arising when this hypothesis is postulated 
are treated in the appendix (" 
As an illustration, values ot 
335-2) 
335-3) 
31 
Ê : 
(335-4) 
335-5) 
335-6) 
X 
ta 
pa 
_ 
«£ 
-t 
Gu 
(1) The study contained in the appendix considers the function [‘@ 
‘rom zero to infinity; but the characteristics at infinity of the functions ‘ ‘6) 
and ¢(0) need not be taken into account in numerical applications. is 
therefore possible to consider only a finite range of variation of 0. ‘or 
example the interval (o, 100). 
Allais - pag. 171